Fisher 685 Series Piston Actuators

Fisher 685 Series Piston Actuators

Fisher 685 series piston actuators provide medium to high thrust output for a variety of medium to very large Fisher sliding-stem valves, including the easy-e™, HP, EH, FB, and 461 valves. The double-acting design of the actuator results in stiff, precise positioning. Spring-return constructions are also available and offer a fail open or closed mode of operation when paired with a valve.

Specifications

Actuation Double-acting, Spring-return, Linear
Certifications PED, CUTR, ATEX, SIL capable
Control Type Throttling, Positioning
Operating Temperature Standard Temperature
Power Source Pneumatic
Process Control On/Off, Throttling, Positioning
Valve Type Angle Valve, Globe Valve
Other Configurations Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

Features

Maximum thrusts of up to 354 kN (79,000 lbf) can be produced, depending on construction.
Depending on size, strokes of up to 610 mm (24 in) are available.
The double-acting construction allows for stiff, precise positioning.
A side-mounted handwheel is available for all sizes except the size 28, which uses a hydraulic hand pump for manual override control.
Internal bias spring constructions are available for applications requiring a mechanical fail mode.
Low friction piston seals and cylinder coatings reduce sliding friction and wear.

We can delivery the cargo to transport company within 3 days upon receiving of the cargos from the plant
Any question, please do not hesitate to contact me.

1.Swift delivery 

 For common parts, we can deliver the goods within 3 days

2.Original products

 All the products we sell are from origin manufacturer. We will submit all the manufacturer documentation while we finish delivery.

3.Quality Assurance

4.Technical Support

 Including inspection,repair and maintenance, we can give all kinds of technical support.

5.Quickly responce

 Our staffs will keep 24h online and answer your question very quickly.

Xiangjing(Shanghai)M&E Tech. Co., Ltd is a valve and instrument distributor for a series of world-wide famous brands just like Emerson,Fisher,Rosemount,Masoneilan,Flowserve,Rotork,etc.
We have many common models in stock, so that we can offer our service in very short time.
Our office is located in Shanghai, we welcome your visit!

Shanghai Office

Beijing Office

Hunan Province Office

Q.How long will you need before delivery?

A:We have many common models in stock, so that we can deliver the goods very soon(less than 3 days).

Q.What is your payment term?

A:Normally T/T 30% in advance, balance to be paid before delivery, We also support the trade assurance,O/A.

Q:What is Trade Assurance?

A:Trade Assurance is a free service by Alibaba.com that’s designed to help create trust between buyers and suppliers. Trade Assurance helps buyers in the event of shipping and quality-related dispute.

Q:Does Trade Assurance charge fees?

A:No. Trade Assurance is free for both buyers and suppliers.

Q:What kind of trade terms can you do?

A:EX-WORKS,FOB,CFR,CIF,etc.